package net.oschina.app.v2.utils;
 
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
 
import com.nostra13.universalimageloader.core.assist.LoadedFrom;
import com.nostra13.universalimageloader.core.display.BitmapDisplayer;
import com.nostra13.universalimageloader.core.imageaware.ImageAware;
 
public class CircleBitmapDisplayer implements BitmapDisplayer {
 
    private float borderWidth = 0;
    private int borderColor;
 
    public CircleBitmapDisplayer() {
        super();
    }
 
    public CircleBitmapDisplayer(int borderColor, int borderWidth){
        super();
        this.borderColor = borderColor;
        this.borderWidth = borderWidth;
    }
 
    @Override
    public void display(Bitmap bitmap, ImageAware imageAware, LoadedFrom loadedFrom) {
            Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_4444);
 
            Canvas canvas = new Canvas(output);
 
            final int color = 0xff424242;
            final Paint paint = new Paint();
            final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
 
            paint.setAntiAlias(true);
            canvas.drawARGB(0, 0, 0, 0);
            paint.setColor(color);
 
            //--CROP THE IMAGE
            canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2 - 1, paint);
            paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
            canvas.drawBitmap(bitmap, rect, rect, paint);
 
            //--ADD BORDER IF NEEDED
            if(this.borderWidth > 0){
                final Paint paint2 = new Paint();
                paint2.setAntiAlias(true);
                paint2.setColor(this.borderColor);
                paint2.setStrokeWidth(this.borderWidth);
                paint2.setStyle(Paint.Style.STROKE);
                canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, (float) (bitmap.getWidth() / 2 - Math.ceil(this.borderWidth / 2)), paint2);
            }
            imageAware.setImageBitmap(output);
    }
 
}